CVE-2022-43390
5.4 · MEDIUMOverview
CVE-2022-43390 is a medium-severity vulnerability affecting zyxel lte7480-m804_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to execute some OS commands on a vulnerable device by sending a crafted HTTP request.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update lte7480-m804_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zyxel | lte7480-m804_firmware | >= 0, < 1.00\(abra.6\)c0 | Affected |
| zyxel | lte7490-m904_firmware | >= 0, < 1.00\(abqy.5\)c0 | Affected |
| zyxel | nebula_nr5101_firmware | >= 0, < 1.15\(accg.3\)c0 | Affected |
| zyxel | nebula_nr7101_firmware | >= 0, < 1.15\(accc.3\)c0 | Affected |
| zyxel | nr5101_firmware | >= 0, < 1.00\(abvc.6\)c0 | Affected |
| zyxel | nr7101_firmware | >= 0, < 1.00\(abuv.7\)c0 | Affected |
| zyxel | nr7102_firmware | >= 0, < 1.00\(abyd.2\)c0 | Affected |
References
Frequently Asked Questions
What is CVE-2022-43390?
CVE-2022-43390 is a medium-severity vulnerability affecting zyxel lte7480-m804_firmware. It was published on January 11, 2023 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2022-43390?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-43390?
Check the references section for vendor advisories and patches from zyxel. Update lte7480-m804_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-43390?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-43390 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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